The aim of the present study was to show distribution cows by days in milk (DIM) at first AI, effect DIM AI on reproductive performance and some factors influencing AI. A total 767 Holstein Frisian that calved from January 2004 December 2007 14 dairy herds were used. conception rate (FAICR) 34.0%. Seventy-five percent inseminated within 100 after calving. FAICR increased linearly up DIM. one unit (20 days) longer postpartum likelihood a 2.4% FAICR. However, an earlier stage lactation showed...

The main objective of the study was to describe relationship high somatic cell count (SCC) with incidence abnormal postpartum resumption ovarian cyclicity and reproductive performance in dairy cows. factors influencing SCC were also investigated. Four hundred forty-seven cows from six herds Japan monitored for cyclicity. Cows (200,000 500,000) had a higher prolonged luteal phase (P < 0.01) than an 50,000 100,000. (> showed delayed first ovulation post partum ≤500,000 0.05) during month...

Reproductive pattern in buffaloes (Bubalus bubalis) is affected by photoperiodicity, heat stress and availability of feed supply.The objectives this study were to understand the seasonality breeding calving subtropical regions southern Nepal characterize ovarian cyclicity status during months long day length.Data regarding Murrah cross bred (n=400) from two locations region collected.In a subset (n=104), late spring (May June) was determined through transrectal ultrasonography measurement...

ABSTRACT The present study aimed to know whether all cows have been showing declining fertility or only a proportion of are attributed the fertility, and describe factors affecting level fertility. A total 131 calved from February 2005 December 2007 in dairy herd were examined. Fourteen excluded because early culling. Of remaining 117 cows, 47 (40%) conceived within 115 days postpartum after 1–3 artificial insemination (AI) (normal cows), 42 (36%) following AI culled 1–2 (sub‐fertility...

Objective: This study was conducted to investigate the effect of various levels garlic (Allium sativum) supplementation in drinking water on immune status against Newcastle disease (ND) virus and productive performance broiler chicken.Materials Methods: One hundred fifty three chickens were brooded together until first week age.After all vaccinated ND day 7, they randomly allocated five groups.Control group (n = 30) received no supplementation.Birds groups T 1 30), 2 , 3 4 31 each group)...

Repeat breeders cause substantial loss in dairy herds mainly affecting the reproductive efficiency and economy of milk production cattle buffaloes. A study was conducted farms various farmers three districts Central Region Nepal; Kathmandu, Bhaktapur Lalitpur during March-August 2016. total 20 repeat breeder cows were selected for trial. identified based on history at least repeated breeding an interval around weeks. We applied Ovsynch protocol where two hormones; Gonadotropin Releasing...

A study was conducted to determine the effectiveness of CIDR (Controlled Internal Drug Release) in Ovsynch protocol for treatment anestrus buffaloes during low breeding season (April June).Buffaloes Group T1 (Ovsynch, n=25) received GnRH on a random day (d0), PGF 2α d7, d9, followed by fixed timed artificial insemination (FTAI) at 16-20 hours after second GnRH.Buffaloes T2 (CIDR-synch, n=30) were treated as group except that containing 1.9 gm progesterone inserted into vagina d0 and removed...

This study compared the effectiveness of once used versus new Controlled Internal Drug Release (CIDR) device in CIDR co-synch protocol for resuming reproductive function anestrous buffaloes during low breeding season.Either a (T1, n=19) or (T2, n=31) was inserted into vagina buffalo on random day (d0) and removed d7.Buffaloes both treatment groups received GnRH at time insertion PGF2α its removal.At 60-66 hrs after removal, fixed artificial insemination (FTAI) done injected.Ovarian status...

Progesterone-based hormonal protocols are effective to treat anestrus in buffaloes. However, most of those costly, thus, requiring a cost-effective protocol that minimizes handling frequencies. This study, therefore, evaluated the effectiveness ‘once-used CIDR co-synch protocol’ with or without initial GnRH for treating buffaloes during low breeding season. Anestrous (n=29) were divided into two Treatment groups. As part protocol,’ first group (T1, n=18) received an on random day (day 0)...

The aim of present study was to assess the status welfare indigenous cattle, based on certain animal-linked parameters: body condition (BCS), hygiene (cleanliness), lameness, skin injuries, general condition, and flight distance. ruled in eight herds (10 cows /herd) Terai Mid-hill region Nepal from March June 2014. Altogether 80 cattle kept semi-intensive system were assessed using several indicators determined through specific methods. Out 2 (2.5%) had BCS between 1.5-2, considered as very...

Postpartum anoestrus (PPA) is one of the major factors causing prolonged calving interval & that leading to decreased annual milk production. Hormonal treatments can be effective tools for treatment PPA when nutritional environmental management are good. So, objective this study was know comparative effectiveness different hormonal protocols on in cross-bred dairy cows. Used were: single dose GnRH, Ovsynch with TRIU-B and PGF2α injection which were used three groups, each containing ten...

This study was designed to determine the effects of age, parity, feeding practice, Body Condition Score (BCS), blood nutritional parameters, types anoestrus, and length anoestrus on pregnancy rate buffaloes after their treatment with ovsynch protocol followed by fixed time artificial insemination. Blood samples were collected day analyzed. The mean values parameters between different groups compared Students t test Fisher’s exact or Chi-square test. overall in 28.6%, when checked 41 64.3%...

Controlled internal drug release (CIDR) based hormonal protocols CoSynch + CIDR, OvSynch CIDR and PGF2α were applied to 25 crossbred anestrous Holstein Jersey cows improve the fertility at farm of National Cattle Research Programme, Rampur, Chitwan. All three found equally effective (P>0.05) with 100% estrus expression rate, out which, 80% (8/10), 85.7% (6/7) 75% (6/8) had well cervix open fixed time artificial insemination in respectively rest partial open. Statistically non-significant...

This study was designed to determine the effects of age, parity, feeding practice, body condition score (BCS), blood nutritional parameters, types anoestrus, and length anoestrus on pregnancy rate buffaloes after their treatment with ovsynch protocol followed by fixed time artificial insemination. Blood samples were collected day analyzed. The mean values parameters between different groups compared Students t test Fisher’s exact or Chi-square test. overall in 28.6%, when checked 41 64.3%...

Water buffalo (Bubalus bubalis) in Nepal contributes 57% of the total milk and 36% meat production country. Even though farming systems range from large-scale semi-intensive, with herd sizes more than 50 animals, to small-scale, intensive which farmers keep 1 5 while farms are very few, medium small-scale predominate The productive efficiency Nepalese buffaloes is relatively low, due mainly subfertility infertility. Delayed puberty prolonged inter-calving intervals, attributed anestrus...